Dr. Steven H. Williams, MD

  • Walnut Creek, CA
  • Plastic surgeon
NPI1194898023
Part D claims, 2023
33
Publications
2
Industry payments
$38,036
Affiliated sites
3
Medical groups
4
Practice address
2175 N California Blvd, Walnut Creek, CA 94596
Practice phone
Call (925) 875-0700
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Tri Valley Plastic Surgery

Walnut Creek, California

See all 8 affiliations

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Dr. Steven H. Williams is a plastic surgeon in Walnut Creek, California

Dr. Williams practices at Tri Valley Plastic Surgery in Walnut Creek, California.

Dr. Williams' NPI, 1194898023, was assigned on November 16, 2006. Dr. Williams graduated from Yale School of Medicine in 1999. Dr. Williams' California license number on file is A-92181.

NPI and contact details
NPI enumeration date
November 16, 2006
NPI status
Active
Practice phone
(925) 875-0700
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Steven H. Williams practices at Tri Valley Plastic Surgery in Walnut Creek, California

Dr. Williams' primary practice is Tri Valley Plastic Surgery, at 2175 N California Blvd, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 875-0700.

  • Tri Valley Plastic Surgery
    2175 N California Blvd, Walnut Creek, CA 94596 · Contra Costa CountyPhone(925) 875-0700

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Steven H. Williams is affiliated with 4 sites of care and 4 medical groups

Dr. Williams' primary practice is Tri Valley Plastic Surgery in Walnut Creek, California. The medical group on file is John Muir Health. Dmand AI also links Dr. Williams to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Williams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Steven H. Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Tri Valley Plastic SurgeryAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Steven H. Williams is one of 778 plastic surgeons in California

Plastic surgery is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Williams is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Williams has a license on file in California.

Specialties and state licenses

  • Plastic surgery, CaliforniaPrimaryLicense A-92181 · 2005 to 2025 · taxonomy 208200000X

Plastic surgeons near Dr. Williams

Counts of plastic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Steven H. Williams' patients have a median age of 63

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 63, with 50% women.

Dr. Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Steven H. Williams wrote 33 Medicare Part D claims in 2023

In 2023, Dr. Williams wrote 33 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $273 in total drug cost. In 2022, CMS named 13 claims across 1 drug.

Part D claims, 202333
Drugs named by CMS2
Total drug cost$273

Dr. Williams' most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2023

  • 2022
  • 2023
Claims for drugs CMS names
2022: 132023: 33154%

Drugs named by CMS: 2 in 2023, 1 in 2022.

See all prescribing by Dr. Williams

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Steven H. Williams has 2 publications on record

Dmand AI links 2 papers to Dr. Williams, published from 2020 to 2024. Dr. Williams' most frequent co-authors are Perry Bradford, MD and Amanda Anderson Gosman, MD.

Papers2
Years published2020 to 2024

Dr. Williams' most frequent co-authors

Recent publications by Dr. Williams

See all 2 publications and co-authors

See who Dr. Williams researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Williams works with, so you can find a warm path to the right plastic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Steven H. Williams received $38,036 in industry payments from 2016 to 2025

CMS Open Payments shows 236 general payments to Dr. Williams from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 56% of the total. Mentor Worldwide LLC paid the most, $33,478.

General payments to Dr. Williams by program year, 2016 to 2025

General payments to Dr. Williams by kind, 2016 to 2025

$38Kin total
  • Consulting fees$21,20056%
  • Food and beverage$8,72723%
  • Speaker and faculty fees$5,60015%
  • Travel and lodging$2,5107%

Companies that paid Dr. Williams the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Williams

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Steven H. Williams graduated from Yale School of Medicine

Dr. Williams graduated from Yale School of Medicine in 1999. Dr. Williams is a member of ASPS.

  1. Medical schoolYale School of Medicine
  2. Board certified in plastic surgeryAmerican Board of Plastic Surgery

Source: Dmand AI Professional Profile Data

Dr. Steven H. Williams accepts plans from 13 insurance carriers

Dr. Williams is in network with 13 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

Plan types Dr. Williams accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. Medicare6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Steven H. Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Steven H. Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Steven H. Williams' NPI number?

Dr. Steven H. Williams' NPI number is 1194898023. It was assigned on November 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Steven H. Williams?

Dr. Steven H. Williams is a plastic surgeon in Walnut Creek, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).

Where does Dr. Steven H. Williams practice?

Dr. Williams practices at 2175 N California Blvd, Walnut Creek, CA 94596. Dr. Williams' primary practice is Tri Valley Plastic Surgery in Walnut Creek, California. Dmand AI also links Dr. Williams to 3 group practices and clinics and 3 medical groups.

What is Dr. Steven H. Williams' office phone number?

The practice phone on file for Dr. Williams is (925) 875-0700.

What is Dr. Steven H. Williams' medical license number?

Dr. Williams' California license number on file is A-92181.

What medical group is Dr. Steven H. Williams part of?

Dr. Williams is linked to John Muir Health. Dmand AI links Dr. Williams to 3 more medical groups.

Is Dr. Steven H. Williams board certified?

Yes. Dr. Williams is board certified in plastic surgery by the American Board of Plastic Surgery.

Where did Dr. Steven H. Williams go to medical school?

Dr. Williams graduated from Yale School of Medicine in 1999.

What drugs does Dr. Steven H. Williams prescribe most?

In 2023 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Ondansetron HCl and Cephalexin.

Has Dr. Steven H. Williams received payments from drug or device companies?

CMS Open Payments shows $38,036 in general payments to Dr. Williams from 18 companies from 2016 to 2025. The largest total came from Mentor Worldwide LLC.

Show 4 more questionsShow fewer questions

How long has Dr. Steven H. Williams been practicing?

Dr. Williams graduated from medical school in 1999, 27 years ago.

Does Dr. Steven H. Williams do research?

Dmand AI links 2 publications to Dr. Williams, published from 2020 to 2024.

Who does Dr. Steven H. Williams publish with?

Dr. Williams' most frequent co-authors are Perry Bradford, MD (1 shared paper) and Amanda Anderson Gosman, MD (1 shared paper).

What insurance does Dr. Steven H. Williams accept?

Dr. Williams is in network with 13 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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